68170225 has 6 divisors (see below), whose sum is σ = 84531110. Its totient is φ = 54536160.

The previous prime is 68170199. The next prime is 68170231. The reversal of 68170225 is 52207186.

It can be written as a sum of positive squares in 3 ways, for example, as 9678321 + 58491904 = 3111^2 + 7648^2 .

It is not a de Polignac number, because 68170225 - 2¹⁵ = 68137457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1363380 + ... + 1363429.

Almost surely, 2^68170225 is an apocalyptic number.

It is an amenable number.

68170225 is a deficient number, since it is larger than the sum of its proper divisors (16360885).

68170225 is a wasteful number, since it uses less digits than its factorization.

68170225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726819 (or 2726814 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 68170225 is about 8256.5262065835. The cubic root of 68170225 is about 408.5058144950.

The spelling of 68170225 in words is "sixty-eight million, one hundred seventy thousand, two hundred twenty-five".